The riveting and mesmerizing story behind a watershed period in human history, the discovery of the startling size and true nature of our universe. On New Years

An unparalleled history of astronomy presented in the words of the scientists who made the discoveries. Here are the writings of Copernicus, Galileo, Kepler, Ne

One of America's most talked-about science writers--and author of the award-winning book, Thursday's Universe--explores the phenomenon of "dark matter", the hyp

From the history of the science to the cutting edge of knowledge and technology, the story of modern astrophysics is told through interviews with and profiles o

How a team of researchers, led by the author, discovered our home galaxy's location in the universe. You are here: on Earth, which is part of the solar system,